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Finding the Fourth Proportional to 20,000.48, 30,000.35 and 5,970.03

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Solution

The fourth proportional to 20,000.48, 30,000.35 and 5,970.03 is: 8,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.48 : 30,000.35 = 5,970.03 : x
  2. Step 2: Convert to fraction form
    20,000.48/30,000.35 = 5,970.03/x
  3. Step 3: Cross multiply
    20,000.48x = 30,000.35 × 5,970.03
  4. Step 4: Simplify right side
    20,000.48x = 179,103,004.44
  5. Step 5: Solve for x
    x = 179,103,004.44/20,000.48
  6. Step 6: Final answer
    x = 8,954.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.